. >>> vice president joe biden was officially sworn in. >> repeat after me, i joseph r. biden jr., do solemnly swear >>> i, joseph r. biden jr. do solemnly swear. >> that i will support and defend the constitution of the united states. >> that i will support and defend the constitution of the united states against all enemies foreign and domestic. >> against all enemies foreign and domestic. >> that i will bear true faith and ali generals to the same. >>> that i will bear true faith and ali generals to the same and take this obligation freel without any mentally vation or purpose of evasion. >> i will well and faithfully discharge the duties of the office on which i am about to enter. >> the duties of the office on which i am about to enter. >> so help me god. >> so help me god. >> congratulations. >> supreme court justice, sonia sotomayor administering the oath of office. vice president joe biden beginning his second term as vice president. >>> in just a few hours, president obama will be officially sworn in. still to come, we are going to talk about growing up in the w